linux-kernel - [PATCH v6 2/2] hwmon: tmp513: Simplify tmp51x_read

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Message-Id: <20230907071404.24334-3-biju.das.jz@bp.renesas.com>
Date:   Thu,  7 Sep 2023 08:14:04 +0100
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Eric Tremblay <etremblay@...tech-controls.com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     Biju Das <biju.das.jz@...renesas.com>, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org, Biju Das <biju.das.au@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v6 2/2] hwmon: tmp513: Simplify tmp51x_read_properties()

Simplify tmp51x_read_properties() by replacing 'nfactor' ->'data->nfactor'
in device_property_read_u32_array() and drop the local variable as it is
unused.

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
v5->v6:
 * No change.
v4->v5:
 * No change.
v3->v4:
 * Added Rb tag from Geert and Andy.
v3:
 * New patch.
---
 drivers/hwmon/tmp513.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/tmp513.c b/drivers/hwmon/tmp513.c
index b336b95298ab..8a7cf08733c6 100644
--- a/drivers/hwmon/tmp513.c
+++ b/drivers/hwmon/tmp513.c
@@ -653,7 +653,6 @@ static int tmp51x_pga_gain_to_reg(struct device *dev, struct tmp51x_data *data)
 static int tmp51x_read_properties(struct device *dev, struct tmp51x_data *data)
 {
 	int ret;
-	u32 nfactor[3];
 	u32 val;
 
 	ret = device_property_read_u32(dev, "shunt-resistor-micro-ohms", &val);
@@ -671,10 +670,8 @@ static int tmp51x_read_properties(struct device *dev, struct tmp51x_data *data)
 	if (ret < 0)
 		return ret;
 
-	ret = device_property_read_u32_array(dev, "ti,nfactor", nfactor,
-					    data->max_channels - 1);
-	if (ret >= 0)
-		memcpy(data->nfactor, nfactor, data->max_channels - 1);
+	device_property_read_u32_array(dev, "ti,nfactor", data->nfactor,
+				       data->max_channels - 1);
 
 	// Check if shunt value is compatible with pga-gain
 	if (data->shunt_uohms > data->pga_gain * 40 * 1000 * 1000) {
-- 
2.25.1